Job Title: Flight Software Engineer IIIJob Description

The Flight Software Engineer III will engage in all aspects of the software life cycle, including concept development, requirements definition, design, development, testing, and deployment of flight software to support ongoing and future small satellite programs. A strong working knowledge of embedded software development using C++ is essential, as is a background in developing flight code on embedded processors. Familiarity with real-time operating systems and both asymmetric and symmetric multiprocessing architectures is required. The candidate should be comfortable working in an Agile Scrum environment.

ResponsibilitiesParticipate in the full software life cycle for flight software development.Develop embedded software using C++ for small satellite programs.Implement client-server applications using socket I/O with TCP/UDP.Develop loosely coupled applications using PUB/SUB messaging.Lead a team in the development of spacecraft flight software.Utilize software tools for requirements tracking, code reviews, static analysis, and automated build processes.Apply software development methodologies such as Agile/Scrum.Create software designs using SysML/UML.Test and debug on Software in the Loop (SITL) and Hardware in the Loop (HITL) environments.Manage source code configuration using platforms like GIT and SVN.Optimize computer system performance, including timing optimization.Develop and configure network systems, including netconf.Essential Skills6 or more years of experience in coding and software development.Strong technical understanding of C++ and Object-Oriented Programming.Experience with spacecraft flight software development.Knowledge of software design patterns and development methodologies such as Agile/Scrum.Experience with real-time operating systems and multiprocessing architectures.Additional Skills & QualificationsExperience with Open Standards such as CCSDS, C2MS, OMS, and UCI.Experience in mission management and payload control software development.Experience developing on Linux.Embedded programming experience, including new board build-up.Experience optimizing computer system performance for timing.Work Environment

The work environment offers a dynamic and innovative atmosphere where employees can participate in groundbreaking projects within the commercial space industry. There is a strong emphasis on team collaboration and a supportive culture that encourages growth and development. Employees will have the opportunity to work on cutting-edge space technology and benefit from a healthy work-life balance. Although the company operates in a startup mode, the well-funded SDA program presents significant opportunities for future growth and success.

Job Type & Location

This is a Contract position based out of Centennial, CO.

Pay and Benefits

The pay range for this position is $70.00 - $90.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Centennial,CO.

Application Deadline

This position is anticipated to close on Feb 13, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.